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Vinvika [58]
3 years ago
10

What is 13.48cm+7.6cm rounded to the correct number of significant figures?

Chemistry
1 answer:
alina1380 [7]3 years ago
4 0
The lowest amount of significant figures has to be what the answer is...

7.6cm is 2 sig figs where 13.48 is 4, so the answer can only really be as precise as the smallest one (7.6)

7.6 + 13.48 = 21.08cm

Put it into 2 sig figs makes it
=21 cm (2s.f) <— don’t forget to write 2 sig figs next to it because otherwise it is a false answer
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